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DS1643P Datasheet - Maxim Integrated Products

DS1643P_MaximIntegratedProducts.pdf

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Datasheet Details

Part number:

DS1643P

Manufacturer:

Maxim Integrated ↗ Products

File Size:

254.49 KB

Description:

Nonvolatile timekeeping rams.

DS1643P, Nonvolatile Timekeeping RAMs

PDIP 1 2 3 4 5 6 7 8 9 10 21 23 24 25 11 12 13 15 16 17 18 19 20 22 26 27 28 * 14 * PIN PowerCap 1, 2, 3, 31 *34 30 25 24 23 22 21 20 19 18 28 29 27 26 16 15 14 13 12 11 10 9 8 7 * 6 5 4 17 NAME N.C.

A12 A7 A6 A5 A4 A3 A2 A1 A0 A10 A11 A9 A8 DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6

DS1643P Features

* Integrated NV SRAM, Real-Time Clock, Crystal, Power-Fail Control Circuit and Lithium Energy Source

* Clock Registers are Accessed Identically to the Static RAM. These Registers Reside in the Eight Top RAM Locations.

* Totally Nonvolatile with Over 10 Years of Operation in the Absence o

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